title: NHS Direct.
mesh_terms: D004632:Emergency Medical Services; D005194:Family Practice; D015277:Hotlines / Q000458:organization & administration*; D006801:Humans; D012017:Referral and Consultation / Q000458:organization & administration*; D013222:State Medicine; D014218:Triage / Q000458:organization & administration*; D006113:United Kingdom